diff --git a/addons/purchase_stock/models/purchase.py b/addons/purchase_stock/models/purchase.py
index a3a1dce3b40..cb32d841d68 100644
--- a/addons/purchase_stock/models/purchase.py
+++ b/addons/purchase_stock/models/purchase.py
@@ -245,7 +245,9 @@ class PurchaseOrder(models.Model):
                     seq += 5
                     move.sequence = seq
                 moves._action_assign()
-                pickings.action_confirm()
+                # Get following pickings (created by push rules) to confirm them as well.
+                forward_pickings = self.env['stock.picking']._get_impacted_pickings(moves)
+                (pickings | forward_pickings).action_confirm()
                 picking.message_post_with_view('mail.message_origin_link',
                     values={'self': picking, 'origin': order},
                     subtype_id=self.env.ref('mail.mt_note').id)